I'm posting one puzzle, riddle, math, or statistical problem a day. Try to answer each one and post your answers in the comments section. I'll post the answer the next day. Even if you have the same answer as someone else, feel free to put up your answer, too!
Thursday, May 17, 2007
A Question From Andrew
Andrew left this one after a previous post. He was kind enough to let me use it as a puzzle for today.